Flora and Fauna
- 681
- Proturans - Protura
- Illustrations and information on these minute soil-inhabiting hexapods, their distribution, description, life history and how to collect them.
- 682
- Living Amphibians
- Introduction to the taxonomy of Amphibia, including Salientia (frogs and toads), Caudata (salamanders and newts), and gymnophiona (caecilians).
- 683
- Caecilian
- Wikipedia provides information on the order Gymnophiona, legless amphibians that superficially resemble earthworms or snakes.
- 684
- Sagalla Caecilian: Boulengerula niedeni
- Photographs and information from ARKive on this recently discovered species endemic to a small area of Kenya.
- 686
- Salamander
- Article from Wikipedia on this order of amphibians including their characteristics, distribution and development.
- 687
- A Field Guide to the Birds on the Web
- Links to pictures, sounds, and video of the birds of the world, systematically indexed.
- 688
- Bird Hybrids Database
- Worldwide database compiled from the ornithological literature of birds with two different species as parents. Includes complete references for each species combination. In English, French, and Spanish.
- 689
- Bird On!
- Internet wild bird pages including information on a bird book, bird news, bird care, a bird album and short articles of a number of bird species.
- 690
- Birds of North American, Audubon's Watercolors
- Fifty-one images of North American birds from watercolors done by John James Audubon. List can be browsed by common or scientific name.
- 691
- Birds of Pampas Plain
- Provides information and photographs of over 600 bird species that can be seen in Argentina.
- 692
- Birds of the World
- List of current valid scientific avian names subdivided by order and family, based on the Sibley and Monroe and AOU lists. Includes scientific names and publication details.
- 693
- Birds of the World
- Lists of all species with scientific and English names, subdivided by Family. Choice of list based on the Clements or the Sibley and Monroe classification schemes.
- 695
- Exotic Pet Veterinarian - Avian Anatomy
- Describes the anatomy and physiology of birds for the lay audience, explaining technical terms along the way. Some emphasis on details of psittacines.
- 696
- Handbook of the Birds of the World
- Information about the book series that will illustrate and deal in detail with all the species of birds in the world. Tables of contents, sample pages, and publication schedule.
- 697
- History of North American Bird Names
- Details all the changes in the American Ornithologists' Union Checklists from 1886 - 2000.